study is made on the process for recovering ni and co from the ni and co containing solution prepared from low grade manganese oxide ore by reductive roasting and sulfuric acid leaching.
研究了从低品位氧化锰矿经还原焙烧、硫酸浸出得到的含钴镍原料液中回收钴镍的工艺。
the microwave heating characteristics of manganese oxide ore fines containing coal are researched in the paper.